Senior Active Directory and Exchange Administrator

- I perform root cause analyses of critical outages and incidents, craft permanent solutions, and oversee their implementation. I execute life-cycle events for Active Directory network group objects, including creating new group objects, modifying attributes, changing object types, and deactivating or deleting group objects. - I provide technical guidance, advice, and recommendations to clients and technical specialists regarding critical Exchange and Windows software enhancements, updates, and vulnerability issues. I suggest mitigation strategies and ensure effective coordination and collaboration on upgrade activities, successfully implementing server infrastructure hardening in relevant roles. - I establish, enforce, and monitor security policies and procedures to ensure the appropriate usage of information systems. I create and implement domain-level security policies, such as authentication mechanisms, password rules, and apply security patches and anti-virus updates as released by software manufacturers. - I collaborate in researching, planning, designing, and assessing current and future Windows infrastructure needs, including configuration, maintenance, optimization, and documentation. I lead or assist in the planning and installation of Active Directory Network components and upgrade system software and hardware as needed to fulfill client requirements. - I act as the IT liaison and escalation point for application support and troubleshooting, offering guidance in the resolution of complex production or system problems. - I serve as the initial escalation support for domain technology issues that cannot be resolved by tier one and tier two server support. - I take ownership of creating and maintaining system documentation for domain technologies, which includes installation, configuration, and troubleshooting steps. I identify and engage in improvement opportunities spanning service delivery, user experience, and security, assisting in the design, testing, and implementation of computer and network software projects to meet both client and user needs.